Guests at a luxury hotel are horrified when they witness a man literally "disappear into thin air." The vanished man's relatives hire a detective, who goes to the hotel to investigate the disappearance.
| Actor | Role |
|---|---|
 William 'Stage' BoydThorwaldt Cornish (as William Boyd) | Thorwaldt Cornish (as William Boyd) |
 Claudia DellEnid Van Buren | Enid Van Buren |
 Huntley GordonMr. Gordon | Mr. Gordon |
 John HarronErich (as Johnny Harron) | Erich (as Johnny Harron) |
 Hooper AtchleyDr. Steven Walcott | Dr. Steven Walcott |
 Lloyd WhitlockRankin | Rankin |
 Phillips SmalleyDr. Bronson | Dr. Bronson |
 Lloyd IngrahamAdolph Klein | Adolph Klein |
 Henry HallDr. Barris | Dr. Barris |